Added README.md

roles/docker-wordpress/README.md

@@ -0,0 +1,17 @@
+# role docker-wordpress
+
+## database access
+To access the database execute
+```bash
+  docker exec -it wordpress_database_1 /bin/mysql -u wordpress -p
+```
+## bash in application
+docker exec -it wordpress_application_1 /bin/sh
+
+## update wp-config.php
+```bash
+cat > wp-config.php << EOF
+<?php
+#content
+EOF
+```